Electric Circuits Which of following materials has the least resistivity ? Copper. Zinc. Mercury. Lead. Copper. Zinc. Mercury. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in the resistor R shown in figure will be 0.6 A. 0.2 A. 0.4 A. 0.8 A. 0.6 A. 0.2 A. 0.4 A. 0.8 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by σ ω ε. σ/ω ε. ω σ/ε. ω ε/σ. σ ω ε. σ/ω ε. ω σ/ε. ω ε/σ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is remain same. increase by two times. doubled. halved. remain same. increase by two times. doubled. halved. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is the correct relation? AD-BC = 1. AC-BD = 1. all of these. AB-CD = 1 . AD-BC = 1. AC-BD = 1. all of these. AB-CD = 1 . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? None of them. 36.6 pF. 32 pF. 30 pF. None of them. 36.6 pF. 32 pF. 30 pF. ANSWER DOWNLOAD EXAMIANS APP
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